<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app">
    <h1>差值表达式</h1>
    <div><p>pppp</p></div>
    <h3>{{msg}}</h3>
    <h3>{{count}}</h3>
    <h1>v-text</h1>
    <div v-text="msg"></div>
    <h1>v-model</h1>
    <input type="text" v-model="msg">
    <input type="text" v-model="count">
    <div v-html="html"></div>
    <div v-text="html"></div>
    <div v-on:click="handleClick">click</div>
  </div>
  <script src="./js/dep.js"></script>
  <script src="./js/watcher.js"></script>
  <script src="./js/compiler.js"></script>
  <script src="./js/observer.js"></script>
  <script src="./js/index.js"></script>
  <script>
    const vm = new Vue({
      el: '#app',
      data: {
        msg: 'hello vue',
        count: 0,
        person: {
          name: 'ss',
          age: 12
        },
        html: '<span style="color: blue;">this is a html</span>'
      },
      methods: {
        handleClick() {
          console.log('this is v-on')
        }
      }
    })
    console.log(vm)   
  </script>
</body>
</html>